1005450425 has 12 divisors (see below), whose sum is σ = 1424867136. Its totient is φ = 689451600.

The previous prime is 1005450409. The next prime is 1005450427. The reversal of 1005450425 is 5240545001.

It is not a de Polignac number, because 1005450425 - 2⁴ = 1005450409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1005450394 and 1005450403.

It is not an unprimeable number, because it can be changed into a prime (1005450427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2872541 + ... + 2872890.

It is an arithmetic number, because the mean of its divisors is an integer number (118738928).

Almost surely, 2^1005450425 is an apocalyptic number.

It is an amenable number.

1005450425 is a deficient number, since it is larger than the sum of its proper divisors (419416711).

1005450425 is an equidigital number, since it uses as much as digits as its factorization.

1005450425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745448 (or 5745443 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1005450425 is about 31708.8382789405. The cubic root of 1005450425 is about 1001.8135174995.

Adding to 1005450425 its reverse (5240545001), we get a palindrome (6245995426).

The spelling of 1005450425 in words is "one billion, five million, four hundred fifty thousand, four hundred twenty-five".